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iir-111111
- (1)设计一个直接型二阶低通数字滤波器。 (2)在DSP TMS320C5402上实现IIR滤波。 (3)对IIR滤波器各项指标进行评价 -(1) design a second direct-digital low-pass filter. (2) on the TMS320C5402 DSP IIR filter. (3) right IIR filter evaluation indicators
qq_lp
- 海宁窗函数下的低通滤波器,Low-pass filter Hanning window function under-Low-pass filter Hanning window function under
The-same-impulse-response
- 是利用冲激响应不变法设计一个巴特沃斯数字低通滤波器。根据滤波器的设计思想脉冲响应不变法将模拟低通滤波器变换到数字低通滤波器,利用MATLAB绘制出数字低通滤波器的系统幅频函数曲线。-Use the same impulse response is to design a digital low-pass Butterworth filter. According to the impulse response filter design thinking the same method to c
Bilinear-transform
- 利用双线性变换法设计一个巴特沃斯数字低通滤波器。根据滤波器的设计思想,通过双线性变换法将模拟低通滤波器变换到数字低通滤波器,利用MATLAB绘制出数字低通滤波器的系统幅频函数曲线。最终利用双线性变换法利用MATLAB函数仿真出了巴特沃斯低通滤波器的对数幅频及相频率曲线。-Bilinear transform design a digital low-pass Butterworth filter. According filter design ideas, through bilinear t
IIR_ditong
- 简单的语音信号去噪声,通过在录制的声音中添加噪声,然后通过低通滤波器去除噪声-IIR low pass filter
kuopin
- 混合扩频DS/FH仿真程序,从原始信号通过伪随机码,跳频码转变为混合扩频信号,再依次解跳解扩,最后通过低通滤波器恢复出信号。-Hybrid spread spectrum DS/FH simulation program, from the original signal by pseudo random code, frequency hopping code into a hybrid spread spectrum signal, and then hopping despreading,
nlms
- nlms算法设计线性相位FIR滤波器,低通滤波器。-nlms algorithm design linear FIR filter
Lowpass-Filter
- 低通滤波器的labview模型,用于滤波消除系统的noise-low pass filter labview model
labview5
- 使用低通滤波器从含有噪声的信号中提取有用的正弦波 (见实验指导书 实验九 数字滤波器中的第一题) 目的:用数字滤波器从含有高频噪声的采样数据中提取正弦信号。 要求:①输入信号为一正弦波,并加入一个白噪声的干扰来模拟信号传输中的随机干扰信号(用以模拟含有噪声采样序列)。 (模拟含有噪声采样序列具体可用正弦波信号叠加高频噪声来实现,为了使滤波效果明显,本实验的高频噪声是用高频均匀分布白噪声(Uniform)通过Butterworth高通滤波器过滤生成的,高通滤波器的截止频率设为10
Dec2bin
- 十进制数转换成二进制补码,并将结果写入txt。低通滤波器设计、多相滤波器组设计,并将系数写入txt或者coe文件,可用于FPGA设计-Decimal numbers into binary complement, and writes the result txt. Low-pass filter design, polyphase filter bank design, and coefficient writing or coe txt file that can be used for F
FIR-LF
- 滤波器是信号处理中常用的处理方式,利用虚拟仪器实现FIR低通滤波器。-Filter is a common processing method in signal processing, using virtual instrument to achieve FIR low-pass filter.
ditong
- 一个简易的低通滤波器,在安装DAQ助手的labview环境中可以实现低通滤波器的功能。-A simple low-pass filter, install DAQ Assistant labview environment can achieve low-pass filter function.
FIR
- FIR低通滤波器和FIR带通滤波器程序,带频谱显示,希望对大家有用-FIR low-pass filter and a FIR bandpass filter program, with spectrum display, hope to be useful
ruihua
- 彩色图像的预处理,灰度化,直方图均衡化, gaussian低通滤波器锐化,laplacian算子锐化-Color image processing, gray, histogram equalization, gaussian low pass filter, Laplacian operator sharpening
Low-pass-filter-design
- 虚拟低通滤波器设计:可以产生正弦信号和白噪声时域信号波形,以及混杂噪声的正弦波波形,信噪比可调。-Virtual low-pass filter design: sinusoidal signal can be generated and the time-domain white noise signal waveform, and hybrid noise sine wave signal to noise ratio is adjustable.
LP1O
- 通过理论公式推导得到的简易单通道一阶低通滤波器,相比于labview自带滤波器而言,实时性更强。-Simple low-pass filter derived first order transfer function. It runs faster than official filter vi files.
tydt
- 用椭圆低通滤波器对语音信号进行滤波处理,实现降噪处理-The elliptic low pass filter is used to filter the speech signal, and the noise reduction processing is realized.
IIRDF
- 低通滤波器的设计,可以实现滤波前后的频率普和幅度谱的对比-Low-pass filter design, you can achieve before and after the filter frequency and amplitude of the spectrum comparison
chenxu
- (1)录制一段语音信号,完成对信号的采样,画出信号的时域波形和频谱图,确定信号的频谱范围; (2)给信号叠加噪声(噪声类型分为如下几种:a白噪声;b单频噪色(正弦干扰);c多频噪声(多正弦干扰);d其它干扰。),画出受噪声干扰的信号时域波形和频谱图; (3)采用窗函数法设计FIR低通滤波器,画出滤波器的频响特性图; (4)用所设计的滤波器对受噪声影响的信号进行滤波,画出滤波后语音信号的时域波形图和频谱图; (5)对滤波前后的信号进行对比,分析信号的变化;回放语音信号,并与原始语音信号对比
signal_processing
- 产生线性调频信号,可以是宽带,也可以是窄带信号。还有低通滤波器(A linear frequency modulated signal can be produced ,wideband or narrowband. There are also low-pass filters)